diff mbox

[15/28] memory: make sure that client is always inside range

Message ID 1381318130-10620-16-git-send-email-quintela@redhat.com
State New
Headers show

Commit Message

Juan Quintela Oct. 9, 2013, 11:28 a.m. UTC 
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 include/exec/memory-internal.h | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 3947caa..e08ac42 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -43,6 +43,7 @@  void qemu_ram_free_from_ptr(ram_addr_t addr);
 static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
                                                       unsigned client)
 {
+    assert(client < DIRTY_MEMORY_NUM);
     return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & (1 << client);
 }

@@ -73,6 +74,7 @@  static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
 static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
                                                       unsigned client)
 {
+    assert(client < DIRTY_MEMORY_NUM);
     ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= (1 << client);
 }

@@ -88,6 +90,8 @@  static inline int cpu_physical_memory_clear_dirty_flag(ram_addr_t addr,
 {
     int mask = ~(1 << client);

+    assert(client < DIRTY_MEMORY_NUM);
+
     return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
 }